Technology is a wonderful thing - until it all goes terribly wrong. We’ve all been there, those times when technology lets you down or you’ve just done something plain stupid using it.

We so enjoyed hearing about your first impressions of the internet, we’d like to find out more of your tech-related stories. This time, we want you to tell us about those embarrassing moments made that much worse by digital media. Perhaps you sent a text to the wrong person or you accidentally emailed something terrible to your entire office. With so many social networks and gadgets to play with, we're sure you have some great stories up your sleeves.

Share your most embarrassing technological mishaps with GuardianWitness - whether it’s a story, an image, or (god forbid) a video. We'll share the best on the site.

GuardianWitness is the home of user-generated content on the Guardian. Contribute your video, pictures and stories, and browse news, reviews and creations submitted by others. Posts will be reviewed prior to publication on GuardianWitness, and the best pieces will feature on the Guardian site.

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GuardianWitness is the home of user-generated content on the Guardian. Contribute your video, pictures and stories, and browse news, reviews and creations submitted by others. Posts will be reviewed prior to publication on GuardianWitness, and the best pieces will feature on the Guardian site – they might even appear in the paper. GuardianWitness assignments invite you to contribute on a particular theme